docs: def _validate_path(path):
      """Sorts path values from largest to smallest.
  
      Will warn if path parameter was not already sorted.
      """
      if path is None:
          return None
  
      new_path = np.array(sorted(set(path), reverse=True))
      if new_path[0] != path[0]:
          print("Warning: Path must be sorted largest to smallest.")
  
      return new_path